69 lines
1.3 KiB
C
69 lines
1.3 KiB
C
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#ifndef _ASM_PPC64_TOPOLOGY_H
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#define _ASM_PPC64_TOPOLOGY_H
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#include <linux/config.h>
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#include <asm/mmzone.h>
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#ifdef CONFIG_NUMA
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static inline int cpu_to_node(int cpu)
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{
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int node;
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node = numa_cpu_lookup_table[cpu];
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#ifdef DEBUG_NUMA
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BUG_ON(node == -1);
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#endif
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return node;
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}
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#define parent_node(node) (node)
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static inline cpumask_t node_to_cpumask(int node)
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{
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return numa_cpumask_lookup_table[node];
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}
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static inline int node_to_first_cpu(int node)
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{
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cpumask_t tmp;
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tmp = node_to_cpumask(node);
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return first_cpu(tmp);
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}
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#define pcibus_to_cpumask(bus) (cpu_online_map)
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#define nr_cpus_node(node) (nr_cpus_in_node[node])
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/* sched_domains SD_NODE_INIT for PPC64 machines */
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#define SD_NODE_INIT (struct sched_domain) { \
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.span = CPU_MASK_NONE, \
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.parent = NULL, \
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.groups = NULL, \
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.min_interval = 8, \
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.max_interval = 32, \
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.busy_factor = 32, \
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.imbalance_pct = 125, \
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.cache_hot_time = (10*1000000), \
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.cache_nice_tries = 1, \
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.per_cpu_gain = 100, \
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.flags = SD_LOAD_BALANCE \
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| SD_BALANCE_EXEC \
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| SD_BALANCE_NEWIDLE \
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| SD_WAKE_IDLE \
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| SD_WAKE_BALANCE, \
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.last_balance = jiffies, \
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.balance_interval = 1, \
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.nr_balance_failed = 0, \
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}
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#else /* !CONFIG_NUMA */
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#include <asm-generic/topology.h>
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#endif /* CONFIG_NUMA */
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#endif /* _ASM_PPC64_TOPOLOGY_H */
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